Question

Complete the series:

2, 5, 9, 19, 37, _______

1. 75
2. 76
3. 77
4. 78

Answer 1

Correct Answer - Option 1 : 75

The logic is:

2 × 2 + 1 = 5

5 × 2 – 1 = 9

9 × 2 + 1 = 19

19 × 2 – 1 = 37

37 × 2 + 1 = 75

Hence, 75 is the correct answer.